Service manual

VANTAGE
®
EV INSTALLATION MANUAL ROBERTS-GORDONpg 40
Section 14. Maintenance
For best performance, the following maintenance
procedures are recommended prior to each heating
season. Only firms or individuals qualified to perform work
in accordance with the applicable specifications should
be engaged to service a VANTAGE
®
EV System.
1. Be sure gas and electrical supply to heater are off
before performing any service or maintenance.
2. Inspect vacuum pump and flue pipe for soot or dirt or
any obstruction to the outdoors. After cleaning as
necessary, re-attach the flue pipe to the heater. Inspect
acoustical boots for cracks or leaks. Replace as
necessary.
3. Check condition of burner. Carefully remove any dust
or debris from inside the burner box. Remove burner
cup and check its condition.
Procedure to Remove Burner Cup
a. Remove housing doors.
b. Remove 2 screws holding igniter in place and
remove igniter.
c. Remove burner cup from housing by unscrewing
counterclockwise from manifold threads.
d. To reassemble, reverse above steps.
4. Check to see that the burner observation window is
clean and free of cracks or holes. Clean or replace as
necessary.
5. Check the inside of the firing tube with a flashlight. If
carbon or scale are present, scrape out the deposits
with a wire brush or rod, or metal plate attached to a
wooden pole.
6. Outside surfaces of burner may be cleaned by wiping
with a damp cloth. Reflector may be cleaned with
window cleaner.
7. Inspect outside air blower and blower intake for leaks
or obstructions.
8. Check performance of heater and visually observe
flame for proper flame characteristics.
9. A qualified service agency should be contacted for
service other than routine maintenance.
WARNING
Disconnect gas and electrical supplies before performing
service or maintenance.
Failure to follow these instructions will result in death,
injury or property damage.